<!DOCTYPE html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=316447
-->
<title>Test for Bug 316447</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=316447">Mozilla Bug 316447</a>
<div contenteditable><br></div>
<script>
/** Test for Bug 316447 **/

getSelection().selectAllChildren(document.querySelector("div"));
document.execCommand("inserthorizontalrule");
is(document.querySelector("div").innerHTML, "<hr>", "Wrong innerHTML");
</script>
